2 layers35.6 × 68.6 mm
Can arduino mini pcb
ZeusWPI/OBUS
You see an armed time bomb but don't know how to disarm it. Your friends found a manual to defuse the bomb and you have them on call.
10 parts3MIT
Obus
1 boardsKiCad boards from 1 GitHub repository tagged “obus”, the most starred first; open any of them in PCBKit.